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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 9 |
| 1951 | 13 |
| 1952 | 14 |
| 1953 | 14 |
| 1954 | 22 |
| 1955 | 23 |
| 1956 | 13 |
| 1957 | 14 |
| 1958 | 12 |
| 1959 | 15 |
| 1960 | 22 |
| 1961 | 12 |
| 1962 | 30 |
| 1963 | 21 |
| 1964 | 40 |
| 1965 | 38 |
| 1966 | 44 |
| 1967 | 47 |
| 1968 | 48 |
| 1969 | 60 |
| 1970 | 63 |
| 1971 | 53 |
| 1972 | 66 |
| 1973 | 81 |
| 1974 | 87 |
| 1975 | 84 |
| 1976 | 76 |
| 1977 | 123 |
| 1978 | 106 |
| 1979 | 126 |
| 1980 | 126 |
| 1981 | 115 |
| 1982 | 144 |
| 1983 | 155 |
| 1984 | 148 |
| 1985 | 194 |
| 1986 | 173 |
| 1987 | 222 |
| 1988 | 210 |
| 1989 | 290 |
| 1990 | 233 |
| 1991 | 233 |
| 1992 | 242 |
| 1993 | 239 |
| 1994 | 282 |
| 1995 | 329 |
| 1996 | 307 |
| 1997 | 401 |
| 1998 | 418 |
| 1999 | 541 |
| 2000 | 608 |
| 2001 | 566 |
| 2002 | 651 |
| 2003 | 710 |
| 2004 | 756 |
| 2005 | 764 |
| 2006 | 767 |
| 2007 | 840 |
| 2008 | 836 |
| 2009 | 771 |
| 2010 | 764 |
| 2011 | 782 |
| 2012 | 727 |
| 2013 | 811 |
| 2014 | 815 |
| 2015 | 765 |
| 2016 | 741 |
| 2017 | 716 |
| 2018 | 692 |
| 2019 | 699 |
| 2020 | 920 |
| 2021 | 831 |
| 2022 | 870 |
| 2023 | 887 |
| 2024 | 248 |